20V shim Micrometer

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oldeskewltoy
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20V shim Micrometer

Postby oldeskewltoy » Tue Feb 21, 2017 12:06 pm

Image

Fowler 1/2" caliper 52-230-000-0

• 0-1/2" micrometer by .001", Satin chrome finish.
• Forged steel frame
• Anvil and spindle hardened and precision ground with microlapped ends
• Clear, crisp graduations on barrel and thimble.
Diameter of measuring faces: .197"
• Flatness: .00003"
• Parallelism: .00005"
• Accuracy: .001"
• Range: 0-1/2"
• Includes case


The diameter of the measuring faces of this caliper =.197", which = 5mm. So if you are doing valve adjustment on 20V head[s], you may want this tool to check shim thicknesses.
OST Cyl head porting, - viewtopic.php?f=22&t=300

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